A congratulatory declaration of support, praise or approval, for an outstanding achievement in any area of life. Probably for original, sensational or courageous accomplishments in the fields of art, fashion, music, sport and friendship.

Them trainers are bangin werk!
That drawing is werk, its real art!
Werk, that concert!
You werk mate, you never fail and always werk my back.

To do something to an exceedingly excellent capacity. Most notably used in reference to dancing, modeling, sexual prowess and/or other physical performance that requires a large amount of fiery attitude, vitality and vigor.

A term derived from the words "work" and "twerk" but now used exclusively in the above areas.